door lock problems

[Elcaminoguy]

just purchased 2000 chevy Tahoe Z71. looks great but having electrical issues. when ever i open any door the horn sounds. can't figured out why. pulled fuse till get some clues... all door locks work fine??

 

[Miami-Dade]

@Elcaminoguy Moved you here from intro section.
Welcome from Miami Beach!

 

[S33k3r]

Most likely you have a bad wire that is shorting to the horn. Whenever you open a door, power is also applied to the horn circuit, causing it to go off. I'm guessing you might have had an aftermarket alarm on there.

 

[Fless]

Welcome from the Peoples' Republic of Colorado!